Finding the Fourth Proportional to 30,912,358.99, 46,373,885.58 and 10,442,227.60
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Solution
The fourth proportional to 30,912,358.99, 46,373,885.58 and 10,442,227.60 is: 15,665,147.65
Step by Step Solution
- Step 1: Write the proportion equation
30,912,358.99 : 46,373,885.58 = 10,442,227.60 : x - Step 2: Convert to fraction form
30,912,358.99/46,373,885.58 = 10,442,227.60/x - Step 3: Cross multiply
30,912,358.99x = 46,373,885.58 × 10,442,227.60 - Step 4: Simplify right side
30,912,358.99x = 484,246,667,638,637.50 - Step 5: Solve for x
x = 484,246,667,638,637.50/30,912,358.99 - Step 6: Final answer
x = 15,665,147.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.